diff --git a/plugins/postgresql/process-compose.yaml b/plugins/postgresql/process-compose.yaml
index 96b7ef39f95..628fbd4f989 100644
--- a/plugins/postgresql/process-compose.yaml
+++ b/plugins/postgresql/process-compose.yaml
@@ -2,7 +2,7 @@ version: "0.5"
 
 processes:
   postgresql:
-    command: "pg_ctl start -o \"-k $PGHOST\""
+    command: "pg_ctl start -o \"-k '$PGHOST'\""
     is_daemon: true
     shutdown: 
       command: "pg_ctl stop -m fast"